diff options
| -rw-r--r-- | win/tclWinChan.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/win/tclWinChan.c b/win/tclWinChan.c index 6c5edb2..077d1d9 100644 --- a/win/tclWinChan.c +++ b/win/tclWinChan.c @@ -9,7 +9,7 @@ * See the file "license.terms" for information on usage and redistribution * of this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tclWinChan.c,v 1.33 2003/12/24 04:18:22 davygrvy Exp $ + * RCS: @(#) $Id: tclWinChan.c,v 1.34 2004/04/23 08:57:20 davygrvy Exp $ */ #include "tclWinInt.h" @@ -1056,8 +1056,6 @@ Tcl_MakeFileChannel(rawHandle, mode) "=r"(INITIAL_HANDLER) ); # endif /* TCL_MEM_DEBUG */ - result = 0; - __asm__ __volatile__ ( "pushl %ebp" "\n\t" "pushl $__except_makefilechannel_handler" "\n\t" @@ -1066,7 +1064,9 @@ Tcl_MakeFileChannel(rawHandle, mode) #else __try { #endif /* HAVE_NO_SEH */ - CloseHandle(dupedHandle); + + result = CloseHandle(dupedHandle); + #ifdef HAVE_NO_SEH __asm__ __volatile__ ( "jmp makefilechannel_pop" "\n" @@ -1074,7 +1074,7 @@ Tcl_MakeFileChannel(rawHandle, mode) "movl %%fs:0, %%eax" "\n\t" "movl 0x8(%%eax), %%esp" "\n\t" "movl 0x8(%%esp), %%ebp" "\n" - "movl $1, %0" "\n" + "movl $0, %0" "\n" "makefilechannel_pop:" "\n\t" "movl (%%esp), %%eax" "\n\t" "movl %%eax, %%fs:0" "\n\t" @@ -1100,8 +1100,14 @@ Tcl_MakeFileChannel(rawHandle, mode) Tcl_Panic("HANDLER restored incorrectly"); # endif /* TCL_MEM_DEBUG */ - if (result) - return NULL; + if (result == 0) { + /* + * The handle failed to close. The original is therefore + * invalid. + */ + + return NULL; + } #else } __except (EXCEPTION_EXECUTE_HANDLER) { |